28522880

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 69914880

約数和(自身を除く): 41392000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1087, 1312, 1640, 2174, 2624, 3280, 4348, 5248, 5435, 6560, 8696, 10870, 13120, 17392, 21740, 26240, 34784, 43480, 44567, 69568, 86960, 89134, 139136, 173920, 178268, 222835, 347840, 356536, 445670, 695680, 713072, 891340, 1426144, 1782680, 2852288, 3565360, 5704576, 7130720, 14261440, 28522880]

約数ペア:

[(1, 28522880), (2, 14261440), (4, 7130720), (5, 5704576), (8, 3565360), (10, 2852288), (16, 1782680), (20, 1426144), (32, 891340), (40, 713072), (41, 695680), (64, 445670), (80, 356536), (82, 347840), (128, 222835), (160, 178268), (164, 173920), (205, 139136), (320, 89134), (328, 86960), (410, 69568), (640, 44567), (656, 43480), (820, 34784), (1087, 26240), (1312, 21740), (1640, 17392), (2174, 13120), (2624, 10870), (3280, 8696), (4348, 6560), (5248, 5435)]